Mike Holt

Mike
Holt
NEC Trainer / Consultant,
Mike Holt Enterprises
940

Mike earned a masters degree in the Business Administration Program (MBA) from the University of Miami. He earned his reputation as a National Electrical Code (NEC) expert by working his way up through the electrical trade. Formally a construction editor for two different trade publications, Mike started his career as an apprentice electrician and eventually became a master electrician, an electrical inspector, a contractor, and an educator. Since 1975, he has provided custom in-house seminars for groups such as IAEI, NECA, ICBO, IBM, AT&T, Motorola, and the U.S. Navy. Mike has taught more than 1,000 classes on 30 different electrical-related subjects — ranging from alarm installations to exam preparation and voltage drop calculations. He continues to develop seminars, videos, books, and software as well as contributing monthly Code content to EC&M magazine.

Articles
Code Q&A: Overcurrent Protection for Ungrounded Conductors 
NEC guidelines on overcurrent protection for ungrounded conductors
Stumped by the Code? Code installation requirements for raceway seals in Class I locations 
Q. What are the Code’s installation requirements for raceway seals in Class I locations?
Article 690, Solar Photovoltaic Systems — Part 2 
You must provide ground fault protection for DC photovoltaic (PV) arrays
Code Q&A: Branch Circuit Requirements 
NEC guidelines on whether guest rooms follow the same branch circuit requirements as dwelling units
Stumped by the Code? Code Rule for Sizing Short Circuit and Ground Fault Protection for a Motor Feeder  3
Q. What is the Code rule for sizing short circuit and ground fault protection for a motor feeder?
Article 690, Solar Photovoltaic Systems — Part 1 
Article 690, consisting of eight Parts, applies to photovoltaic (PV) electrical energy systems, array circuit(s), inverter(s), and charge controller(s) for PV systems.
Code Q&A: Ground Fault Protection of Equipment 
NEC requirements for ground fault protection of equipment
Code Q&A: Branch Circuit Rating 
NEC requirements for branch circuit rating
Code Q&A: Branch Circuit Voltage Limits 
NEC requirements for branch circuit voltage limits
Properly Sizing Conductors and Protective Devices for A/C and Refrigeration Equipment  5
Article 440 applies to electrically driven air-conditioning and refrigeration equipment
Marina Photo
Code Quiz of the Week: No. 23
Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.
Code Q&A: Multiple Branch Circuits  3
NEC requirements for multiple branch circuits
Photo of wall-mounted oven
Code Quiz of the Week: No. 22 1
Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.
Fiber optic cable photo
Code Quiz of the Week: No. 21 1
Take this weekly quiz to test your knowledge of the 2014 National Electrical Code requirements.
Don’t Get Burned by the NEC’s Space-Heating Equipment Rules 
Article 424 is a nine-part article on fixed electric space heating
Electrical Testing Feed

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